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Crenshaw Lock

Deadbolt Installation in South Pasadena · 24/7 mobile

Deadbolt Installation in South Pasadena, CA

Crenshaw Lock Company installs and replaces single- and double-cylinder deadbolts throughout South Pasadena, 24/7, with a fully mobile service that comes to your door. We work on Craftsman, Victorian and period-revival homes alike. Call (323) 997-8867 to talk through your door and your options.

  • Mobile to your South Pasadena location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Deadbolt bolt extended into a reinforced strike plate
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A deadbolt is one of the simplest ways to make a door harder to force, but a good installation depends on the door it goes into. South Pasadena is full of homes where that matters: Craftsman bungalows with original fir doors, Victorians with layered hardware changes over a century, and 1920s Spanish and period-revival houses with heavy, characterful entries. A deadbolt that fits one of these doors well is not the same job as one for a modern hollow-core slab.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar has spent decades working on exactly this mix of older and newer doors. We are fully mobile, so there is no shop to visit. We come to your home or small business, look at the door and frame, and install the hardware on site.

Whether you are adding a first deadbolt, replacing a worn one, or upgrading after a move, the goal is the same: a lock that operates smoothly, sits squarely in the door, and respects the character of the house. We will explain the choice between single- and double-cylinder, and we aim to leave original woodwork as undisturbed as the job allows.

How it works in South Pasadena

  1. 1

    Talk through the door and the goal

    Call (323) 997-8867 any hour. We ask what the door is made of, whether it already has a deadbolt or only a latch, and what prompted the project, such as a new purchase, a break-in concern or worn hardware.

  2. 2

    Inspect the door, edge and frame

    On site we check door thickness, the condition of the wood, the strike side of the frame, and any existing mortise or rim hardware. On older doors we look for splits, past repairs and spots where a new bore would weaken the door.

  3. 3

    Choose single or double cylinder

    A single-cylinder deadbolt turns with a thumbturn inside. A double-cylinder needs a key on both sides and is sometimes used near glass panels, but it raises exit concerns during an emergency. We explain the tradeoffs so you decide with the full picture.

  4. 4

    Install and align the hardware

    We bore or reuse the existing holes where suitable, set the latch and bolt, and fit the strike plate so the bolt throws fully into the frame. Proper alignment is what keeps a deadbolt from sticking or binding with seasonal changes.

  5. 5

    Test, key and hand over

    We cycle the lock repeatedly with the door open and closed, confirm every key works, and can key the new deadbolt to match your other locks where the hardware allows. You get a walkthrough before we leave.

Need deadbolt installation in South Pasadena?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

What affects the price

  • Whether you need a new deadbolt added to a door or an existing one replaced, since fresh boring takes more work than a swap.
  • The grade and brand of the deadbolt you choose, from standard residential hardware to higher-security cylinders.
  • Door material and condition, including whether an older wood door needs reinforcement or careful fitting.
  • Single-cylinder versus double-cylinder, and whether you want the lock keyed alike with other doors.
  • The number of doors being done in one visit.
  • Time of day, since after-hours and overnight calls differ from scheduled daytime work.

Why South Pasadena chooses us

  • Fully mobile service: the work happens at your door, with no storefront trip.
  • Experience since 1987 with older Southern California homes, including original Craftsman and period-revival doors.
  • Care with vintage woodwork, so we avoid unnecessary cutting and explain when a door should not be bored further.
  • Honest advice on single versus double cylinder, including the emergency exit tradeoff.
  • Available 24/7, so a broken or compromised deadbolt does not have to wait until morning.
  • Owner-led expertise from David Shar, whose long experience shapes how we approach each door.

Deadbolt Installation across South Pasadena

South Pasadena packs a lot of housing history into about 3.4 square miles. Around the Mission Street District, you will find Craftsman bungalows and Victorians whose front doors have often outlived several generations of hardware. In Monterey Hills and Altos de Monterey, hillside homes and period-revival houses bring their own door styles, from solid wood entries to side and garden doors that deserve the same attention as the front. A deadbolt that suits these doors should be chosen and fitted with the house in mind.

We frequently see homeowners in ZIP codes 91030 and 91031 add or upgrade deadbolts right after closing on a house, since original rim and mortise locks may be tired and no one knows how many keys exist. Because South Pasadena is a popular film and TV location, some owners also want secure, discreet hardware changes around productions. A new deadbolt, paired with a rekey once a shoot wraps, helps reset who has access.

Our mobile service covers the whole city, whether you live near Garfield Park, off Fair Oaks Ave or Fremont Ave, or close to the Metro A Line Mission station. Small shops along Mission Street, near Mission West antique row and the Rialto Theatre, sometimes carry dated commercial hardware too, and we can talk through deadbolt upgrades for those doors. Call (323) 997-8867 at any hour.

Locked out or need a locksmith now?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

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Other South Pasadena locksmith services

See all of our South Pasadena services, or our citywide deadbolt installation page.

Deadbolt Installation in South Pasadena — FAQs

Can you install a deadbolt on an old Craftsman door?
Often yes, but it depends on the thickness and condition of the wood. We inspect the door first and explain whether a standard bore is safe or whether another approach protects the door better. Call (323) 997-8867 to describe yours.
What is the difference between single- and double-cylinder deadbolts?
A single-cylinder uses a key outside and a thumbturn inside. A double-cylinder needs a key on both sides. The double can suit doors with nearby glass, but it can slow exit in an emergency, so we discuss it carefully.
Do you work on original mortise and rim locks?
Yes. Many South Pasadena homes still have them, and we can often rekey or work around them while keeping vintage hardware intact. We also add a separate deadbolt where that makes sense.
Can the new deadbolt match my other keys?
In many cases we can key it alike with your existing locks, depending on the brands involved. Tell us what you have when you call (323) 997-8867 and we will say what is possible.
Will installing a deadbolt damage my door?
A careful installation minimizes cutting, and if a hole already exists we reuse it where we can. On delicate older doors we explain the risks before we start.
Can you install a deadbolt outside normal business hours?
Yes. We are available 24/7 and fully mobile, so a broken lock or urgent security concern can be addressed any time. Call (323) 997-8867.
I am a South Pasadena homeowner who just bought a house. Should I add deadbolts?
It is a smart time to review your locks. Previous owners and contractors may still hold keys, so many new owners add or replace deadbolts and rekey at the same time.
How is the price of a deadbolt installation determined?
It depends on the hardware you choose, whether the door needs new boring or just a swap, the door's material and condition, how many doors, and the time of the visit. We explain the factors before we begin.
DS

Reviewed by David Shar — Owner & Lead Technician

Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.

Last updated 2026-10-12.

Call (323) 997-8867 · Open 24/7